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document.write( "You are given\r\n" );
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= 336, (1)\r\n" );
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document.write( "which is equivalent to\r\n" );
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= 336, or\r\n" );
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document.write( "2xy = 336, or xy =
= 168,\r\n" );
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document.write( "where x and y are integer numbers.\r\n" );
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document.write( "So, any pair of integers with xy = 168 is the solution to equation (1).\r\n" );
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document.write( "x y\r\n" );
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document.write( "1 168\r\n" );
document.write( "2 84\r\n" );
document.write( "3 56\r\n" );
document.write( "4 42\r\n" );
document.write( "6 28\r\n" );
document.write( "8 21\r\n" );
document.write( "12 14\r\n" );
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document.write( "and all reverted pairs, and all the pairs with opposite numbers.\r\n" );
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document.write( "Of them, only the pair (12,14) represents consecutive positive even integers.\r\n" );
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